Home / 585,724,257-808,297,257.33-321,410,673.21

Finding the Fourth Proportional to 585,724,257, 808,297,257.33 and 321,410,673.21

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Solution

The fourth proportional to 585,724,257, 808,297,257.33 and 321,410,673.21 is: 443,545,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,724,257 : 808,297,257.33 = 321,410,673.21 : x
  2. Step 2: Convert to fraction form
    585,724,257/808,297,257.33 = 321,410,673.21/x
  3. Step 3: Cross multiply
    585,724,257x = 808,297,257.33 × 321,410,673.21
  4. Step 4: Simplify right side
    585,724,257x = 259,795,365,632,231,904
  5. Step 5: Solve for x
    x = 259,795,365,632,231,904/585,724,257
  6. Step 6: Final answer
    x = 443,545,512.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.